/*
 * Copyright (c) 2015-present, Parse, LLC.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
package com.parse;

import com.parse.boltsinternal.Task;

interface ParseObjectCurrentController<T extends ParseObject> {

    /**
     * Persist the currentParseObject
     *
     * @param object object
     * @return task
     */
    Task<Void> setAsync(T object);

    /**
     * Get the persisted currentParseObject
     *
     * @return task
     */
    Task<T> getAsync();

    /**
     * Check whether the currentParseObject exists or not
     *
     * @return task
     */
    Task<Boolean> existsAsync();

    /**
     * Judge whether the given ParseObject is the currentParseObject
     *
     * @param object object
     * @return {@code true} if the give {@link ParseObject} is the currentParseObject
     */
    boolean isCurrent(T object);

    /**
     * A test helper to reset the current ParseObject. This method nullifies the in memory
     * currentParseObject
     */
    void clearFromMemory();

    /**
     * A test helper to reset the current ParseObject. This method nullifies the in memory and in
     * disk currentParseObject
     */
    void clearFromDisk();
}
